<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        body {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
            min-height: 100%;
        }
        #container {
            position: relative;
            width: 80%;
            margin: 0 auto;
            min-height: 800px;
        }
        .Center-Container.is-Table {
            display: table;
            height: 500px;
            border: 1px solid red;
            width: 100%;
        }
        .is-Table .Table-Cell {
            display: table-cell;
            vertical-align: middle;
        }
        .is-Table .Center-Block {
            width: 50%;
            margin: 0 auto;
            background: #ccc;
        }
    </style>
</head>
<body>
<div id="container">
<div class="Center-Container is-Table">
    <div class="Table-Cell">
        <div class="Center-Block">
            <!-- CONTENT -->fdsafdas
        </div>
    </div>
</div>
</div>
</body>
</html>
